chore(library/injectivity): fix style
chore(library/injectivity): fix style

digama0/lean,johoelzl/lean,dselsam/lean,johoelzl/lean,dselsam/lean,leanprover-community/lean,leanprover/lean,avigad/lean,leanprover/lean,soonhokong/lean-windows,leodemoura/lean,digama0/lean,fgdorais/lean,dselsam/lean,Kha/lean,Kha/lean,rlewis1988/lean,soonhokong/lean-windows,digama0/lean,Kha/lean,digama0/lean,leodemoura/lean,avigad/lean,Kha/lean,johoelzl/lean,fpvandoorn/lean,fpvandoorn/lean,Kha/lean,leanprover/lean,dselsam/lean,rlewis1988/lean,fgdorais/lean,leanprover/lean,digama0/lean,rlewis1988/lean,soonhokong/lean-osx,soonhokong/lean-osx,fpvandoorn/lean,fpvandoorn/lean,soonhokong/lean-windows,avigad/lean,soonhokong/lean-windows,avigad/lean,dselsam/lean,leanprover/lean,fgdorais/lean,leanprover-community/lean,rlewis1988/lean,johoelzl/lean,avigad/lean,soonhokong/lean-osx,soonhokong/lean-osx,leanprover/lean,johoelzl/lean,fgdorais/lean,leodemoura/lean,leodemoura/lean,fpvandoorn/lean,digama0/lean,leanprover-community/lean,fgdorais/lean,leodemoura/lean,leanprover-community/lean,rlewis1988/lean,rlewis1988/lean,dselsam/lean,fgdorais/lean,soonhokong/lean-osx,Kha/lean,leanprover-community/lean,johoelzl/lean,avigad/lean,fpvandoorn/lean,soonhokong/lean-windows,leodemoura/lean,leanprover-community/lean